Hmm... I'm not so sure - if you own a PSX then you 'own' a BIOS as well - I'd have thought it would be possible to release a 'plain files' emu and leave it to the individual users conscience as to whether or not they owned a BIOS to add to it or not

In much the same way as most of the Emu disks get released; as long as this hypothetical author made sure *THEY* weren't the ones distributing the BIOS it should all be good - like the PC Emus do, they all come BIOS free and make it fairly clear not to ask them where to get a BIOS.

Also, it would probably be *easier* to do a DC port, as you wouldn't need to have a huge range of 'plugins' as the DC is a standardised system; they could simply get (or write) plugins that are DC compatible and leave it at that, optimising the Emu to use those specific plugins (or indeed simply include them as part of the emu)

Nah, its not easy, but theres never been an open source vaguely decent PSX Emu before... theres not one at the moment (yet) but when AdriPSX gets open sourced, I'm pretty sure there'll be some interest amongst the devvers to at least have a go at it - assuming its not ASM...

adripsx's source isnt out yet anyways, it will be released soon though (i think at the end of this month),but i think some of the code is asm (but most isnt, so it isnt insumountable)....the only open source psx emu at the moment that can play any commercial games is fpse, but that is a rather poor emulator compared to the others, and i think has some rather high system requirements....anyways, i think porting one of these emulators would bring an unwanted legal haze over the dcemulation "scene" as not only has sony aggressively pursued completely legit emus, but adripsx (and i think this also applies to fpse, but cant really remember) requires a psx bios which is copyrighted, so they wouldnt take to kindly to it i believe....

Well I think there's a world of difference between an emulator that can play the games and a commercial emulator that can. Correct me if I'm wrong but I don't think most of the freeware emulator authors are being sued. This has to do with many things - the fact that the emulators are free (and therefore not sharing shelf space with Sony products), the fact that the main argument (that the BIOS' inclusion or that the BIOS is illegally engineered) is moot, since the emulators require you to BYOB, the fact that the authors are largely anonymous, the fact that the word "PlaytStation" isn't physically printed anywhere, and most importantly, the fact that the emulators themselves often times aren't that good. Sure, ePSXe kicks ass - I've used it, but it's the exception and with the tedium of plugin setup most people (i.e., Joe Average) won't fool with it.

Having said that I don't think we've ever had a 100% free software based console emulator for a modern day console whose manufacturer is still active. It would be interesting to see how that plays out.

why not do fpse thats a open source emulator as for the psx bois sony has said 3 out of every 4 americans own a psx so 3 out of 4 americans actually have psx bios so make a disclaimer that you have to own a psx to use the emulator most people own one so that would not be a big problem

One of the disadvantages of writing for a closed hardware platform is the fact that the hardware can't be scaled. You can write a PSX emulator for the PC in C or some other slow portable language and simply tell the world to buy a faster computer. However on the DC you can't do that. Ergo, unless you can write a PSX emulator in a fast language like Assembly it's probably not going to happen. No one knows what Bleem was written in (Bleem's policy was not to discuss how they did things) but the popular theory pointed to Assembly. Assembly is not portable at all, so even if an open source Assembly emulator existed, "porting" it would be impossible.

Another thing people don't seem to realize (and I didn't either until Heliphobe mentioned it) is that the misconception is that because Bleem proved perfect software emulation of a fairly recent system like the PSX was possible (albiet one game at a time) then surely perfect emulation of an older system (i.e., SNES) must be more possible. However, the way processing chips are made today is different from how they were assembled back then and the PSX's hardware was more like the DC's hardware than the SNES' was. This is part of the reason we haven't seen a perfect SNES emu yet but we've seen one knock the socks off of a PSX. Consequently, people are more apt to say "this N64 emu must be real, since Rand proved that..." etc.

What about that PSX for DC emu that was based on jackal, but know was not. I recall going to the site a few months ago and he said it was cancelled. Yet just two days ago I went back and he said that he stopped using the jackle source and now had large successes even after a few days of working on it. the site had something to do with kami, I think it was his website in fact. (I linked to it from a french site that I stumbled on called interestingly enough, "dcemulation.co.fr" so I am not sure if it was his actual site or not)

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